Since the poem is structured around the concept of cyclicality (it begins and ends with a funeral, it has a cycle of younger men helping older men), what might the creative reader anticipate after finishing the poem?
The Geats will fall to their enemies and eventually die out.
The Geats will fall to their enemies but rise again a generation later.
Wiglaf, too young for his new position, will fail the Geats and cause their demise.
Wiglaf will become a powerful ruler and fight a monster of his own.
Wiglaf will become a powerful ruler and then fall to pride.